CN108914751A - A kind of system being intelligently compacted monitoring for road foundation road surface - Google Patents

A kind of system being intelligently compacted monitoring for road foundation road surface Download PDF

Info

Publication number
CN108914751A
CN108914751A CN201810762300.1A CN201810762300A CN108914751A CN 108914751 A CN108914751 A CN 108914751A CN 201810762300 A CN201810762300 A CN 201810762300A CN 108914751 A CN108914751 A CN 108914751A
Authority
CN
China
Prior art keywords
unit
road
compacting
monitoring
module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810762300.1A
Other languages
Chinese (zh)
Inventor
汤永红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201810762300.1A priority Critical patent/CN108914751A/en
Publication of CN108914751A publication Critical patent/CN108914751A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/01Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23Rollers therefor; Such rollers usable also for compacting soil
    • E01C19/28Vibrated rollers or rollers subjected to impacts, e.g. hammering blows
    • E01C19/288Vibrated rollers or rollers subjected to impacts, e.g. hammering blows adapted for monitoring characteristics of the material being compacted, e.g. indicating resonant frequency, measuring degree of compaction, by measuring values, detectable on the roller; using detected values to control operation of the roller, e.g. automatic adjustment of vibration responsive to such measurements

Abstract

The invention discloses a kind of for the road foundation road surface system that intelligently compacting monitors, including model setup module, control module, vehicle module, communication module and monitoring center, model setup module is electrically connected control module, by communication module communication connection, control module passes through communication module communication connection with monitoring center for vehicle module and control module.Of the invention is a kind of for the road foundation road surface system that intelligently compacting monitors, and is compared by multinomial data basis and standard compaction parameter, realizes accurate road foundation pavement compaction intelligent monitoring.

Description

A kind of system being intelligently compacted monitoring for road foundation road surface
Technical field
It is specifically a kind of intelligently to be pressed for road foundation road surface the present invention relates to traffic construction information system management technical field The system monitored in fact.
Background technique
It is multinomial statistics indicate that, although the construction operation position data of road roller can be obtained in existing Road Compaction technology, But it builds on and formulates the compacting monitoring that compacting calculates and compacting counting counts by quality control standard, need to consume more data It obtains and calculates the time, Road Compaction quality-monitoring efficiency is general.
Prior art CN107272534A provides a kind of intelligence compacting monitoring system, including compacting equipment terminal, positioning Host, control cabinet, application server and power module, the compacting equipment terminal and control cabinet connect with the positioning host respectively It connects, the control cabinet is connect with the application server simultaneously, and the compacting equipment terminal includes satellite detection components, described to defend Star detection components are used to detect the position of compacting equipment and generate satellite location signal, and the compacting equipment terminal is also used to detect Terminal compacting parameter, it is described fixed that the satellite location signal and the terminal compacting parameter are transferred to by the compacting equipment terminal Position host.The technological merit is that obtaining compacting parameter by detection terminal carries out compacting monitoring, but compactness inspection on the spot Survey needs to consume a large amount of human and material resources and time, is not suitable for the long-range of Road Compaction or intelligence compacting monitoring.
Prior art CN105652835B provides a kind of for the road foundation road surface system that intelligently compacting monitors, packet It includes:Presence server, remote server, remote monitoring terminal, on-site supervision terminal and an at least road roller, each road roller In be provided with the vehicle-mounted acquisition station and car-mounted terminal of interconnection;Presence server is whole with car-mounted terminal and on-site supervision respectively End connection, remote server are connect with vehicle-mounted acquisition station and remote monitoring terminal respectively, and presence server and remote server are logical Cross mobile network's connection.The technological merit is to be monitored compacting situation by vehicle-mounted acquisition station and car-mounted terminal, realizes Road roller real-time data acquisition, compacting counting statistics and compacted region statistics.But the technology to compacting situation monitoring on, Compacting monitoring is realized using establishing after data basis calculate, although obtaining a large amount of data basis in data processing, But other influences factor suffered by Road Compaction is ignored, such as original subgrade compaction situation, compaction of the material situation used etc., led Cause Road Compaction quality evaluation inaccuracy.
Summary of the invention
The purpose of the present invention is to provide a kind of for the road foundation road surface system that intelligently compacting monitors, above-mentioned to solve The problem of existing Road Compaction monitoring system quality evaluation inaccuracy proposed in background technique, data acquisition more limits to.
To achieve the above object, the present invention provides the following technical solutions:
A kind of system being intelligently compacted monitoring for road foundation road surface, including:
Model setup module is wrapped for compacting road dimensions specification model and road roller muller specification model to be arranged Include road model unit and auto model unit;
Control module, for monitoring feed back on-site working condition;
Several vehicle modules, for monitoring road roller working state and in real time positioning road roller elaborate position;
Communication module, the communication for monitoring system;And
Monitoring center, for monitoring Road Compaction situation comprising figure layer process unit, figure layer resolution unit and compacting prison Survey unit;
Wherein, control module is electrically connected in the road model unit, auto model unit, and the vehicle module is logical Communication module communication connection control module is crossed, the control module passes through communication module communication connection figure layer process unit and compacting Figure layer process unit and compacting monitoring unit is electrically connected in monitoring unit, the figure layer resolution unit.
Preferably, the control module is used to generating and editing road roller driving trace and feed back on-site road conditions, Including trajectory processing unit, model cootrol unit, radix feedback unit and signal transmitting and receiving unit, wherein trajectory processing unit, mould Type control unit and radix feedback unit are electrically connected with signal transmitting and receiving unit respectively, signal transmitting and receiving unit and the figure layer process Unit and compacting monitoring unit by communication module communication connection, model cootrol unit respectively with the road model unit, vehicle Model unit is electrically connected, and signal transmitting and receiving unit and the vehicle module pass through communication module communication connection.
More preferably, the radix feedback unit includes Road Detection for detecting compacting road foundation parameter The raw material detection sub-unit of unit and record compacting Road Compaction material, Road Detection subelement and raw material detection sub-unit point It is not electrically connected with signal transmitting and receiving unit.
Preferably, the vehicle module includes state cell and positioning unit, and state cell is electrically connected positioning unit, fixed Bit location and signal transmitting and receiving unit pass through communication module communication connection.
Preferably, the communication module includes WiFi communication unit or GPRS communication unit.
Preferably, the compacting monitoring unit includes data analysis subelement, comparing subelement and compacting feedback Unit, data analysis subelement is electrically connected figure layer resolution unit and communication connection signal transmitting and receiving unit is used to analyze the road obtained Base case before the compacting of road and road roller pressing road parameter and compacting array is generated, comparing subelement is electrically connected data point Analysis subelement and compacting feedback subelement are for comparing compacting array and standard compaction parameter and feeding back comparison result.
For technical solution of the present invention, the application method of intelligence system of the present invention includes the following steps:
The first step, field personnel are acquired by base case of the Road Detection subelement to compacting road, The basic data of acquisition includes road original roadbed soil property and its hardness;
Second step, field personnel by raw material detection sub-unit input compacting road material type, including pitch, Sandstone etc.;
Third step, field personnel are arranged the size of compacting road by road model unit and pass through auto model Unit rolls parameter setting auto model according to road roller muller;
4th step, road roller start and enter work, positioning unit Real-time Feedback road roller position;
Road roller real time position situation and the model of setting carry out model rail based on the received for 5th step, trajectory processing module Mark generates and carries out figure layer filling, and filling mode is to press rail mark to carry out different figure layers all different road rollers and non-once to fill out It fills;
6th step, signal transmitting and receiving unit upload all compacting running parameters to monitoring center;
7th step, monitoring center handle compacting running parameter, and process content includes:The figure layer of filling is solved Analysis obtains road roller muller number of rolling, generates compacting number according to the roadbed soil parameter and compaction of roadway materials type of acquisition Group;
8th step, monitoring center the standard parameter being compacted in array and data comparison subunit are compared to obtain pressure Solidity, in the standard array of soil parameter and road roller material type in array, practical number of rolling is more than or equal to When standard transformation pass, Road Compaction, otherwise road is not compacted.
Compared with prior art, the beneficial effects of the invention are as follows:
1) present invention acquires by control module and uploads the underlying parameter in site operation place, especially to compacting result The compaction of the material parameter of the soft or hard degree of former roadbed and use that are affected obtains compacting by the comparison with standard compaction parameter The detection of degree improves the accuracy of compacting monitoring;
2) present invention passes through setting auto model and road model and combines vehicle that the figure layer carried out under line state is pressed to fill It is parsed with figure layer, obtains the pressure road pass of road roller on construction ground, evaded in the prior art through single road roller position Inaccuracy caused by the determining pressure road pass of confidence breath, realizes the validity on compacting monitoring data basis, improves compacting prison Control precision.
Detailed description of the invention
Fig. 1 is a kind of flow diagram for the road foundation road surface system that intelligently compacting monitors of the present invention;
Fig. 2 is a kind of structural block diagram for the road foundation road surface system that intelligently compacting monitors of the present invention;
Fig. 3 is a kind of structural schematic diagram for the road foundation road surface system embodiment that intelligently compacting monitors of the present invention;
Fig. 4 is that the present invention is a kind of for radix feedback unit in road foundation the road surface intelligently system embodiment of compacting monitoring Structural schematic diagram;
Fig. 5 is that the present invention is a kind of for being compacted monitoring unit in road foundation the road surface intelligently system embodiment of compacting monitoring Structural schematic diagram;
Fig. 6 is a kind of method flow diagram for the road foundation road surface system embodiment that intelligently compacting monitors of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5
As shown in Figure 1, it is a kind of for the road foundation road surface system that intelligently compacting monitors, including:
Model setup module is wrapped for compacting road dimensions specification model and road roller muller specification model to be arranged Include road model unit and auto model unit;
Control module, for monitoring feed back on-site working condition;
Several vehicle modules, for monitoring road roller working state and in real time positioning road roller elaborate position;
Communication module, the communication for monitoring system;And
Monitoring center, for monitoring Road Compaction situation comprising figure layer process unit, figure layer resolution unit and compacting prison Survey unit;
Wherein, include road model unit, control module is electrically connected in auto model unit, vehicle module passes through communication Module communication link control module, control module is by communication module communication connection figure layer process unit and is compacted monitoring unit, Figure layer process unit and compacting monitoring unit is electrically connected in figure layer resolution unit.
As shown in Fig. 2, control module is for generating and editing road roller driving trace and feed back on-site road conditions, packet Include trajectory processing unit, model cootrol unit, radix feedback unit and signal transmitting and receiving unit, wherein trajectory processing unit, model Control unit and radix feedback unit are electrically connected with signal transmitting and receiving unit respectively, signal transmitting and receiving unit and figure layer process unit and Monitoring unit is compacted by communication module communication connection, model cootrol unit respectively with road model unit, auto model unit It is electrically connected, signal transmitting and receiving unit and vehicle module pass through communication module communication connection.
As shown in Figure 3 and Figure 4, radix feedback unit includes Road Detection for detecting compacting road foundation parameter The raw material detection sub-unit of unit and record compacting Road Compaction material, Road Detection subelement and raw material detection sub-unit point It is not electrically connected with signal transmitting and receiving unit.
As shown in figure 3, vehicle module includes state cell and positioning unit, state cell is electrically connected positioning unit and is used for Effective position information is sent according to working condition, positioning unit and signal transmitting and receiving unit pass through communication module communication connection.
Communication module includes WiFi communication unit or GPRS communication unit.
As shown in Figure 3 and Figure 5, compacting monitoring unit includes that data analysis subelement, comparing subelement and compacting are anti- Subelement is presented, data analyze subelement electric connection figure layer resolution unit and communication connection signal transmitting and receiving unit is obtained for analyzing Road Compaction before base case and road roller pressing road parameter and generate compacting array, comparing subelement is electrically connected number According to analysis subelement and compacting feedback subelement for comparing compacting array and standard compaction parameter and feeding back comparison result.
Please refer to Fig. 6
As shown in fig. 6, being directed to technical solution of the present invention, the application method of intelligence system of the present invention includes the following steps:
The first step, field personnel are acquired by base case of the Road Detection subelement to compacting road, The basic data of acquisition includes road original roadbed soil property and its hardness;
Second step, field personnel by raw material detection sub-unit input compacting road material type, including pitch, Sandstone etc.;
Third step, field personnel are arranged the size of compacting road by road model unit and pass through auto model Unit rolls parameter setting auto model according to road roller muller;
4th step, road roller start and enter work, positioning unit Real-time Feedback road roller position;
Road roller real time position situation and the model of setting carry out model rail based on the received for 5th step, trajectory processing module Mark generates and carries out figure layer filling, and filling mode is to press rail mark to carry out different figure layers all different road rollers and non-once to fill out It fills;
6th step, signal transmitting and receiving unit upload all compacting running parameters to monitoring center;
7th step, monitoring center handle compacting running parameter, and process content includes:The figure layer of filling is solved Analysis obtains road roller muller number of rolling, generates compacting number according to the roadbed soil parameter and compaction of roadway materials type of acquisition Group;
8th step, monitoring center the standard parameter being compacted in array and data comparison subunit are compared to obtain pressure Solidity, in the standard array of soil parameter and road roller material type in array, practical number of rolling is more than or equal to When standard transformation pass, Road Compaction, otherwise road is not compacted.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (6)

1. a kind of for the road foundation road surface system that intelligently compacting monitors, which is characterized in that including:
Model setup module, for compacting road dimensions specification model and road roller muller specification model to be arranged comprising road Road model unit and auto model unit;
Control module, for monitoring feed back on-site working condition;
Several vehicle modules, for monitoring road roller working state and in real time positioning road roller elaborate position;
Communication module, the communication for monitoring system;And
Monitoring center, for monitoring Road Compaction situation comprising figure layer process unit, figure layer resolution unit and compacting monitoring are single Member;
Wherein, control module is electrically connected in the road model unit, auto model unit, and the vehicle module passes through logical Module communication link control module is interrogated, the control module passes through communication module communication connection figure layer process unit and compacting monitoring Figure layer process unit and compacting monitoring unit is electrically connected in unit, the figure layer resolution unit.
2. according to claim 1 a kind of for the road foundation road surface system that intelligently compacting monitors, which is characterized in that institute Control module is stated for generating and editing road roller driving trace and feed back on-site road conditions comprising trajectory processing unit, Model cootrol unit, radix feedback unit and signal transmitting and receiving unit, wherein trajectory processing unit, model cootrol unit and radix Feedback unit is electrically connected with signal transmitting and receiving unit respectively, and signal transmitting and receiving unit and the figure layer process unit and compacting monitor single Member is electrically connected with the road model unit, auto model unit respectively by communication module communication connection, model cootrol unit It connects, signal transmitting and receiving unit and the vehicle module pass through communication module communication connection.
3. according to claim 2 a kind of in the road foundation road surface intelligence system that intelligently compacting monitors, which is characterized in that The radix feedback unit includes for detecting the Road Detection subelement of compacting road foundation parameter and record compacting road The raw material detection sub-unit of road compacting material, Road Detection subelement and raw material detection sub-unit are electric with signal transmitting and receiving unit respectively Property connection.
4. according to claim 1 a kind of for the road foundation road surface system that intelligently compacting monitors, which is characterized in that institute Stating vehicle module includes state cell and positioning unit, and state cell is electrically connected positioning unit, positioning unit and signal transmitting and receiving Unit passes through communication module communication connection.
5. according to claim 1 a kind of for the road foundation road surface system that intelligently compacting monitors, which is characterized in that institute Stating communication module includes WiFi communication unit or GPRS communication unit.
6. according to claim 1 a kind of for the road foundation road surface system that intelligently compacting monitors, which is characterized in that institute Stating compacting monitoring unit includes that data analysis subelement, comparing subelement and compacting feedback subelement, data analysis are single Member is electrically connected figure layer resolution unit and communication connection signal transmitting and receiving unit is used to analyze the basic feelings before the Road Compaction obtained Condition and road roller pressing road parameter simultaneously generate compacting array, and comparing subelement is electrically connected data analysis subelement and compacting is anti- Feedback subelement is for comparing compacting array and standard compaction parameter and feeding back comparison result.
CN201810762300.1A 2018-07-12 2018-07-12 A kind of system being intelligently compacted monitoring for road foundation road surface Pending CN108914751A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810762300.1A CN108914751A (en) 2018-07-12 2018-07-12 A kind of system being intelligently compacted monitoring for road foundation road surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810762300.1A CN108914751A (en) 2018-07-12 2018-07-12 A kind of system being intelligently compacted monitoring for road foundation road surface

Publications (1)

Publication Number Publication Date
CN108914751A true CN108914751A (en) 2018-11-30

Family

ID=64410170

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810762300.1A Pending CN108914751A (en) 2018-07-12 2018-07-12 A kind of system being intelligently compacted monitoring for road foundation road surface

Country Status (1)

Country Link
CN (1) CN108914751A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110865175A (en) * 2019-11-28 2020-03-06 东南大学 Modular variable cross section road bed compaction model analogue means
CN111287055A (en) * 2020-03-13 2020-06-16 山西交科公路勘察设计院 Compaction monitoring system for highway subgrade and pavement construction
CN112575656A (en) * 2020-12-25 2021-03-30 东南大学 Multifunctional sensor for detecting compactness of asphalt pavement and arrangement method
CN114197275A (en) * 2022-01-21 2022-03-18 山推工程机械股份有限公司 Control system and method of road roller

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994008780A1 (en) * 1992-10-13 1994-04-28 One Plus Corp. System for monitoring trash compactors
CN103015391A (en) * 2013-01-07 2013-04-03 天津大学 Online evaluation method for compaction quality of earth and rockfill dam material
CN104932392A (en) * 2015-05-27 2015-09-23 中交宇科(北京)空间信息技术有限公司 Rolling monitoring method and apparatus
CN105652835A (en) * 2016-01-18 2016-06-08 湖南致同工程科技有限公司 Intelligent system for intelligent compaction monitoring of road subgrade and pavement
CN107272534A (en) * 2017-07-07 2017-10-20 南京天辰礼达电子科技有限公司 A kind of intelligence compacting monitoring system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994008780A1 (en) * 1992-10-13 1994-04-28 One Plus Corp. System for monitoring trash compactors
CN103015391A (en) * 2013-01-07 2013-04-03 天津大学 Online evaluation method for compaction quality of earth and rockfill dam material
CN104932392A (en) * 2015-05-27 2015-09-23 中交宇科(北京)空间信息技术有限公司 Rolling monitoring method and apparatus
CN105652835A (en) * 2016-01-18 2016-06-08 湖南致同工程科技有限公司 Intelligent system for intelligent compaction monitoring of road subgrade and pavement
CN107272534A (en) * 2017-07-07 2017-10-20 南京天辰礼达电子科技有限公司 A kind of intelligence compacting monitoring system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
管会生主编: "《土木工程机械》", 31 January 2018, 西南交通大学出版社 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110865175A (en) * 2019-11-28 2020-03-06 东南大学 Modular variable cross section road bed compaction model analogue means
CN111287055A (en) * 2020-03-13 2020-06-16 山西交科公路勘察设计院 Compaction monitoring system for highway subgrade and pavement construction
CN111287055B (en) * 2020-03-13 2021-06-08 山西交科公路勘察设计院 Compaction monitoring system for highway subgrade and pavement construction
CN112575656A (en) * 2020-12-25 2021-03-30 东南大学 Multifunctional sensor for detecting compactness of asphalt pavement and arrangement method
CN114197275A (en) * 2022-01-21 2022-03-18 山推工程机械股份有限公司 Control system and method of road roller
CN114197275B (en) * 2022-01-21 2023-04-25 山推工程机械股份有限公司 Control system and method of road roller

Similar Documents

Publication Publication Date Title
CN108914751A (en) A kind of system being intelligently compacted monitoring for road foundation road surface
CN103324177B (en) Cement concrete production run dynamic quality remote monitoring system and method thereof
CN104674637B (en) Pavement spread thickness and the real-time monitoring device of ironing vibration frequency
CN202443300U (en) Dynamic quality remote monitoring system for asphalt mixture paving and rolling
CN103324176A (en) Remote monitoring system for dynamic quality of asphalt mixtures in production process and method thereof
CN104180869A (en) Road surface water on-line monitoring and early-warning method and system
CN105652835B (en) A kind of intelligence system that monitoring is intelligently compacted for road foundation road surface
CN108803312B (en) Novel road damage detecting system
CN104562899A (en) Measuring system and measuring method for continuous compaction
CN202134048U (en) Scenic area visitor distribution statistical system
CN103334369A (en) Pavement deflection detection system
CN203011344U (en) Remote automatic monitor apparatus for surface displacement of road slope
CN103217140A (en) Four-system (4S) integrated deformation monitoring system
CN111236011A (en) Road surface compaction quality monitoring system based on intelligent aggregate
CN108316277A (en) A kind of soil matrix Continuous compacting quality detecting system and detection method
CN108867283A (en) In-service quality determining method for roadbed filling compacting
CN115375202A (en) Railway tunnel engineering safety detection method and system
CN205983789U (en) Test of boiler efficiency and control management system based on remote radio transmission technology
CN116540170A (en) Remote online verification system for charging pile
CN202734815U (en) Remote intelligent detecting facility of roadbed sedimentation
CN1710844A (en) Broadcast station audience rating investigation method and system thereof
CN214737247U (en) Road roller rolling quality cloud management and control system based on centimeter-level high-precision positioning
CN110852567A (en) Urban landscaping comprehensive supervision system capable of monitoring in real time
CN102819938A (en) Rainwater condition wireless monitoring and early warning method
CN113596072A (en) Agricultural Internet of things system and remote farmland data transmission method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181130